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tests/src/: various updates

--- a/tests/src/test-fft.c

+++ b/tests/src/test-fft.c

@@ -3,26 +3,33 @@

 int main(){

         /* allocate some memory */

-        uint_t win_s      = 4096;                       /* window size        */

-        uint_t channels   = 100;                        /* number of channels */

+        uint_t win_s      = 8;                       /* window size        */

+        uint_t channels   = 1;                        /* number of channels */

         fvec_t * in       = new_fvec (win_s, channels); /* input buffer       */

         cvec_t * fftgrain = new_cvec (win_s, channels); /* fft norm and phase */

         fvec_t * out      = new_fvec (win_s, channels); /* output buffer      */

+        in->data[0][0] = 1;

+        in->data[0][1] = 2;

+        in->data[0][2] = 3;

+        in->data[0][3] = 4;

+        in->data[0][4] = 5;

+        in->data[0][5] = 6;

+        in->data[0][6] = 5;

+        in->data[0][7] = 6;

         /* allocate fft and other memory space */

         aubio_fft_t * fft = new_aubio_fft(win_s,channels);

         /* fill input with some data */

-        //printf("initialised\n");

+        fvec_print(in);

         /* execute stft */

         aubio_fft_do (fft,in,fftgrain);

-        //printf("computed forward\n");

+        cvec_print(fftgrain);

         /* execute inverse fourier transform */

         aubio_fft_rdo(fft,fftgrain,out);

-        //printf("computed backard\n");

+        fvec_print(out);

         del_aubio_fft(fft);

         del_fvec(in);

         del_cvec(fftgrain);

         del_fvec(out);

-        //printf("memory freed\n");

         aubio_cleanup();

         return 0;

 }

--- a/tests/src/test-filterbank_mel.c

+++ b/tests/src/test-filterbank_mel.c

@@ -1,3 +1,4 @@

+#include <stdio.h>

 #include <aubio.h>

 int

@@ -25,7 +26,7 @@

   //fvec_print (coeffs);

-  fprintf(stderr, "%f\n", vec_sum(coeffs));

+  //fprintf(stderr, "%f\n", fvec_sum(coeffs));

   aubio_filterbank_do (o, in, out);

--- a/tests/src/test-mfcc.c

+++ b/tests/src/test-mfcc.c

@@ -21,7 +21,8 @@

   }

   aubio_mfcc_do (o, in, out);

-

+  fvec_print (out);

+  aubio_mfcc_do (o, in, out);

   fvec_print (out);

   del_aubio_mfcc (o);